Add 10/2 and 90/72
1st number: 5 0/2, 2nd number: 1 18/72
10/2 + 90/72 is 25/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
10/2 = 10 × 36/2 × 36 = 360/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Add the two like fractions:
360/72 + 90/72 = 360 + 90/72 = 450/72 - 450/72 simplified gives 25/4
- So, 10/2 + 90/72 = 25/4
In mixed form: 61/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/2+90/72 10/4+90/72 30/2+90/72 10/6+90/72 50/2+90/72 70/2+90/72 10/14+90/72